We are testing the UTM software for our company. We will be using it in transparent mode, and will have it sitting between the internet router and a switch.
The internet router has 1:1 nat setup, translating a handful of public IPs into local ip addresses.
The problem I'm having is with a VNC connection. We use a reverse vnc from our clients, to get connected to their computers. The client machine connects to public ip, translated to local IP via the router 1:1 nat, then to the tech's pc.
The odd part of the issue:
Our software has a built in mechanism that automatically makes the vnc connection, which does not work with the UTM in place, but it does work without it. However, with the UTM still in place, I can manually make the connection and it works (right click the vnc icon, add new client, connect to public IP)
when it fails, I do not see any entries in the firewall live log, nor the web protection log. I have 2 firewall rules setup to allow everything from outside in, and from inside out.
I'm out of ideas here, anyone else care to take a stab at it?
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